Cod sursa(job #2417467)

Utilizator vladm98Munteanu Vlad vladm98 Data 29 aprilie 2019 22:08:02
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.1 kb
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 10000005;

int v[MAXN], bucket[1 << 17], sorted[MAXN];
int n;

void rsort(int bucketsize, int nrbuc){
    int mask = (1 << 16) - 1, lim = 1 << 16;
    for(int i = 0; i < lim; ++i)
        bucket[i] = 0;
    for(int i = 1; i <= n; ++i){
        int pos = (v[i] >> (bucketsize * nrbuc)) & mask;
        bucket[pos]++;
    }
    for(int i = 1; i < lim; ++i)
        bucket[i] += bucket[i - 1];
    for(int i = n; i >= 1; --i){
        int pos = (v[i] >> (bucketsize * nrbuc)) & mask;
        sorted[bucket[pos]] = v[i];
        bucket[pos]--;
    }
    for(int i = 1; i <= n; ++i)
        v[i] = sorted[i];
}

int main()
{
    ifstream fin("radixsort.in");
    ofstream fout("radixsort.out");
    ios::sync_with_stdio(false);
    fout.tie(nullptr);
    int A, B, C;
    fin >> n >> A >> B >> C;
    v[1] = B;
    for(int i = 2; i <= n; i++){
        int val = static_cast<int>((1LL * A * v[i - 1] + B) % C);
        v[i] = val;
    }
    for(int i = 0; i <= 1; i++)
        rsort(16, i);
    for(int i = 1; i <= n; i += 10)
        fout << v[i] << " ";
    return 0;
}